Great Downloader easy to use can convert into multiple file formats. Fast and impressive
TuneFab M4V Converter - TuneFab M4V Converter supports you to convert iTunes M4V videos with ease.
Video DownloadHelper - Browser extension to download videos from the Web
Sidify Music Converter - Sidify Music Converter for Spotify is a popular tool used to convert Spotify music to MP3/AAC/WAV/FLAC/AIFF/ALAC. It keeps original audio quality and ID3 tags after conversion.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
DRmare M4V Converter - DRmare M4V Converter for Windows specialized in removing DRM from iTunes purchased and rental movies as well as converting iTunes M4V to MP4 and other formats without quality loss.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.